backtrace of fprintd while it's hung
#0 0x00007fbcdde84287 in statfs64 () from target:/lib64/libc.so.6 #1 0x00007fbcdde84309 in statvfs64 () from target:/lib64/libc.so.6 #2 0x00005627d4a130f7 in get_mount_flags ( path=path@entry=0x5627d5f54710 "/media/synology/backup", flags=flags@entry=0x7ffc8e276778) at ../src/basic/mount-util.c:314 #3 0x00005627d4a1577a in bind_remount_recursive_with_mountinfo (ro=true, proc_self_mountinfo=<optimized out>, blacklist=<optimized out>, prefix=<optimized out>) at ../src/basic/mount-util.c:489 #4 make_read_only (proc_self_mountinfo=<optimized out>, blacklist=<optimized out>, m=<optimized out>) at ../src/core/namespace.c:803 #5 setup_namespace.constprop.59 (root_directory=<optimized out>, root_image=<optimized out>, ns_info=<optimized out>, read_write_paths=<optimized out>, read_only_paths=<optimized out>, inaccessible_paths=<optimized out>, bind_mounts=<optimized out>, n_bind_mounts=<optimized out>, tmp_dir=<optimized out>, var_tmp_dir=<optimized out>, protect_home=<optimized out>, protect_system=<optimized out>, mount_flags=<optimized out>, dissect_image_flags=<optimized out>) at ../src/core/namespace.c:1115 #6 0x00005627d4a17654 in apply_mount_namespace.lto_priv.263 ( u=0x5627d610b5b0, command=0x5627d606cc40, context=0x5627d610b9e0, params=<optimized out>, runtime=<optimized out>) at ../src/core/execute.c:2002 #7 0x00005627d4a851f4 in exec_child.constprop.47 (unit=0x5627d610b5b0, command=0x5627d606cc40, context=<optimized out>, params=0x7ffc8e277180, runtime=<optimized out>, dcreds=<optimized out>, argv=<optimized out>, socket_fd=<optimized out>, named_iofds=<optimized out>, fds=<optimized out>, n_storage_fds=<optimized out>, n_socket_fds=<optimized out>, files_env=<optimized out>, user_lookup_fd=<optimized out>, exit_status=<optimized out>, error_message=<optimized out>) at ../src/core/execute.c:2626 #8 0x00005627d4ab5060 in exec_spawn (unit=<optimized out>, command=0x5627d606cc40, context=0x5627d610b9e0, params=<optimized out>, runtime=0x0, dcreds=0x5627d610bd28, ret=0x7ffc8e277170) at ../src/core/execute.c:2983 #9 0x00005627d4a5801f in service_spawn (s=s@entry=0x5627d610b5b0, c=<optimized out>, timeout=<optimized out>, flags=flags@entry=(EXEC_APPLY_PERMISSIONS | EXEC_APPLY_CHROOT | EXEC_APPLY_TTY_STDIN | EXEC_PASS_FDS | EXEC_SET_WATCHDOG), _pid=_pid@entry=0x7ffc8e2772c4) at ../src/core/service.c:1375 #10 0x00005627d4a60c6c in service_enter_start (s=s@entry=0x5627d610b5b0) at ../src/core/service.c:1817 #11 0x00005627d4a61098 in service_enter_start_pre (s=0x5627d610b5b0) at ../src/core/service.c:1886 #12 service_start.lto_priv.375 (u=0x5627d610b5b0) at ../src/core/service.c:2099 #13 0x00005627d4a9ad3c in unit_start (u=0x5627d610b5b0) at ../src/core/unit.c:1647 #14 job_perform_on_unit.lto_priv.870 (j=0x7ffc8e2773a0) at ../src/core/job.c:535 #15 0x00005627d4ab83d8 in job_run_and_invalidate (j=<optimized out>) at ../src/core/job.c:600 #16 manager_dispatch_run_queue.lto_priv.881 (source=<optimized out>, userdata=<optimized out>, userdata=<optimized out>) at ../src/core/manager.c:1621 #17 0x00007fbcdda6f4ba in source_dispatch (s=s@entry=0x5627d5f75930) at ../src/libsystemd/sd-event/sd-event.c:2312 #18 0x00007fbcdda6f7da in sd_event_dispatch (e=e@entry=0x5627d5f75c10) at ../src/libsystemd/sd-event/sd-event.c:2631 #19 0x00007fbcdda6f957 in sd_event_run (e=0x5627d5f75c10, timeout=18446744073709551615) at ../src/libsystemd/sd-event/sd-event.c:2690 #20 0x00005627d4abc5a2 in manager_loop (m=0x5627d5f77520) at ../src/core/manager.c:2291 #21 0x00005627d4a1ece1 in main (argc=5, argv=<optimized out>) at ../src/core/main.c:1937
backtrace of fprintd while it's hung
#0 0x00007fbcdde84287 in statfs64 () from target: /lib64/ libc.so. 6 /lib64/ libc.so. 6 path@entry= 0x5627d5f54710 "/media/ synology/ backup" , flags@entry= 0x7ffc8e276778) at ../src/ basic/mount- util.c: 314 recursive_ with_mountinfo (ro=true, self_mountinfo= <optimized out>, blacklist= <optimized out>, <optimized out>) at ../src/ basic/mount- util.c: 489 mountinfo= <optimized out>, <optimized out>, m=<optimized out>) core/namespace. c:803 .constprop. 59 (root_directory =<optimized out>, image=< optimized out>, ns_info=<optimized out>, write_paths= <optimized out>, read_only_ paths=< optimized out>, e_paths= <optimized out>, bind_mounts= <optimized out>, mounts= <optimized out>, tmp_dir=<optimized out>, tmp_dir= <optimized out>, protect_ home=<optimized out>, system= <optimized out>, mount_flags= <optimized out>, image_flags= <optimized out>) at ../src/ core/namespace. c:1115 namespace. lto_priv. 263 ( 0b5b0, command= 0x5627d606cc40, context= 0x5627d610b9e0, <optimized out>, runtime=<optimized out>) core/execute. c:2002 constprop. 47 (unit=0x5627d61 0b5b0, 0x5627d606cc40, context=<optimized out>, params= 0x7ffc8e277180, <optimized out>, dcreds=<optimized out>, argv=<optimized out>, fd=<optimized out>, named_iofds= <optimized out>, fds=<optimized out>, fds=<optimized out>, files_env= <optimized out>, lookup_ fd=<optimized out>, exit_status= <optimized out>, message= <optimized out>) at ../src/ core/execute. c:2626 0x5627d606cc40, context= 0x5627d610b9e0, params=<optimized out>, 0x5627d610bd28, ret=0x7ffc8e277170) core/execute. c:2983 0x5627d610b5b0, flags@entry= (EXEC_APPLY_ PERMISSIONS | EXEC_APPLY_CHROOT | EXEC_APPLY_ TTY_STDIN | EXEC_PASS_FDS | EXEC_SET_WATCHDOG), _pid=_pid@ entry=0x7ffc8e2 772c4) core/service. c:1375 0x5627d610b5b0) core/service. c:1817 enter_start_ pre (s=0x5627d610b5b0) core/service. c:1886 start.lto_ priv.375 (u=0x5627d610b5b0) at ../src/ core/service. c:2099 core/unit. c:1647 on_unit. lto_priv. 870 (j=0x7ffc8e2773a0) core/job. c:535 and_invalidate (j=<optimized out>) core/job. c:600 dispatch_ run_queue. lto_priv. 881 (source=<optimized out>, <optimized out>, userdata=<optimized out>) core/manager. c:1621 0x5627d5f75930) libsystemd/ sd-event/ sd-event. c:2312 0x5627d5f75c10) libsystemd/ sd-event/ sd-event. c:2631 184467440737095 51615) at ../src/ libsystemd/ sd-event/ sd-event. c:2690 core/manager. c:2291 core/main. c:1937
#1 0x00007fbcdde84309 in statvfs64 () from target:
#2 0x00005627d4a130f7 in get_mount_flags (
path=
flags=
#3 0x00005627d4a1577a in bind_remount_
proc_
prefix=
#4 make_read_only (proc_self_
blacklist=
at ../src/
#5 setup_namespace
root_
read_
inaccessibl
n_bind_
var_
protect_
dissect_
#6 0x00005627d4a17654 in apply_mount_
u=0x5627d61
params=
at ../src/
#7 0x00005627d4a851f4 in exec_child.
command=
runtime=
socket_
fds=<optimized out>, n_storage_
n_socket_
user_
error_
#8 0x00005627d4ab5060 in exec_spawn (unit=<optimized out>,
command=
runtime=0x0, dcreds=
at ../src/
#9 0x00005627d4a5801f in service_spawn (s=s@entry=
c=<optimized out>, timeout=<optimized out>,
flags=
at ../src/
#10 0x00005627d4a60c6c in service_enter_start (s=s@entry=
at ../src/
#11 0x00005627d4a61098 in service_
at ../src/
#12 service_
#13 0x00005627d4a9ad3c in unit_start (u=0x5627d610b5b0)
at ../src/
#14 job_perform_
at ../src/
#15 0x00005627d4ab83d8 in job_run_
at ../src/
#16 manager_
userdata=
at ../src/
#17 0x00007fbcdda6f4ba in source_dispatch (s=s@entry=
at ../src/
#18 0x00007fbcdda6f7da in sd_event_dispatch (e=e@entry=
at ../src/
#19 0x00007fbcdda6f957 in sd_event_run (e=0x5627d5f75c10,
timeout=
#20 0x00005627d4abc5a2 in manager_loop (m=0x5627d5f77520)
at ../src/
#21 0x00005627d4a1ece1 in main (argc=5, argv=<optimized out>)
at ../src/